Home / 695,904.60-1,043,856.90-538,246.20

Finding the Fourth Proportional to 695,904.60, 1,043,856.90 and 538,246.20

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Solution

The fourth proportional to 695,904.60, 1,043,856.90 and 538,246.20 is: 807,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,904.60 : 1,043,856.90 = 538,246.20 : x
  2. Step 2: Convert to fraction form
    695,904.60/1,043,856.90 = 538,246.20/x
  3. Step 3: Cross multiply
    695,904.60x = 1,043,856.90 × 538,246.20
  4. Step 4: Simplify right side
    695,904.60x = 561,852,009,768.78
  5. Step 5: Solve for x
    x = 561,852,009,768.78/695,904.60
  6. Step 6: Final answer
    x = 807,369.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.